Home / 47,067.80-64,954-25,847.50

Finding the Fourth Proportional to 47,067.80, 64,954 and 25,847.50

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Solution

The fourth proportional to 47,067.80, 64,954 and 25,847.50 is: 35,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,067.80 : 64,954 = 25,847.50 : x
  2. Step 2: Convert to fraction form
    47,067.80/64,954 = 25,847.50/x
  3. Step 3: Cross multiply
    47,067.80x = 64,954 × 25,847.50
  4. Step 4: Simplify right side
    47,067.80x = 1,678,898,515
  5. Step 5: Solve for x
    x = 1,678,898,515/47,067.80
  6. Step 6: Final answer
    x = 35,669.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.